Cooling box



FIG. 1 is a front perspective view, in a closed position, showing my new design for a cooling box,

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a front perspective view in an open position. 

The ornamental design for a cooling box, as shown and described. 